Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/08/2026, 22:09

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260830-129sbsde96
  • SHA256 9e149e1fd0b74bf9fc6d319831f0a9b543ce0fe7286b5af1203159c48fd0e819
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 27 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 23 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\4f9474f1fe441f41\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2556
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 75AF32D192CE16B5B5C14F5DC2132B13 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240679406 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1912
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7D1B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240680250 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:768
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI75E4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743953 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3512
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:524
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F284F73E761898E7E24722FAC2EE1F90
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1592
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5EE44686A26371E867A07E1C8BED0F7B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4572
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2036
    • C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-t8hloh-relay.screenconnect.com&p=443&s=d44d83f2-c358-4155-b8c1-c73337706085&k=BgIAAACkAABSU0ExAAgAAAEAAQAxeazCF4D0Wc8Oz4oluP7axOJrB54%2fZ39svSdziokC3%2bAPNPrAE3ESDFZDTqO7yr%2brlhEa%2fx%2fJUFQEbnBbW5fg80a2Fydyu2L1dniCY9E9gLAHvHxjJ5gTnzi%2fXhHnFHG9f9gt8oPILT0%2b89XZdDF%2bh7kYwxjyrS6pbrrUUM%2fQzcbJj2XrgGEESqnxlOkFbIzuotHhkb5nGBsGNDBFCB8kcJVHHrqsmFXWTpbucnK32HsZLajHPvPshRxIrksoyOQMq93rIMPwg05InLI4B%2besBwau0XkVjPiTZOh2aeye9i6QQ1p579r5sp%2blrx5cjjlfhCdYZ3Hk7ABuSvNmvM%2b3"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.WindowsClient.exe" "RunRole" "ed1d1a72-d231-4e9f-b509-159921cfc6bb" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3056

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59c338.rbs

          • Path C:\Config.Msi\e59c338.rbs
          • Size 214KB
          • SHA256 7811afc9c24eadebd5cf95fdc757078415ee2d644526d9c99f74d109ec52b3cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (4f9474f1fe441f41)\system.config
          • Size 968B
          • SHA256 dab0dcf0d561e28120fd8ef2df71e0ff24762397504cf28c7e1115b664ba1e90
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 a46b51deaa88b8aa2ffe3ad5fc6f768bdeade7addb70c5ea33b9910a25d6bf16
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 414baf4d618747a5644b2eaf69c1aa53e39de9fa8144c53357181172b333b41f
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 99d3fa1c4319efc520de4add8092f0f6c4f378ef4859ebecc1ba21c32e20083d
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 0782043ed941296424216e4c6e7e213737febfa106803162c4798c2588d548f5
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSI7903.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7903.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D1B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D1B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\4f9474f1fe441f41\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 d4a66785e306e120c6a2fef460823d56bd9b4a247b63c7de641116865b11e28b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC53B.tmp

          • Path C:\Windows\Installer\MSIC53B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          1tqjlvsg.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\1tqjlvsg.newcfg
          • Size 884B
          • SHA256 eb514891ffc1277f8bb306dbbc44deed92b454c9f7d38d008062c65c680eda6e
          • MD5 SHA1 SHA512 TLSH

          5jmni3kt.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\5jmni3kt.newcfg
          • Size 884B
          • SHA256 28edf7b5a8421d01bdb92d20cdd008d2187167fa6dbaabea2611c4642b0f3925
          • MD5 SHA1 SHA512 TLSH

          hrfs4djb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\hrfs4djb.newcfg
          • Size 884B
          • SHA256 8f9a542b5348e5d91f5d03f26d3f810edd5186cd126de34662f696dde1f3ae41
          • MD5 SHA1 SHA512 TLSH

          hupb1hpq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\hupb1hpq.newcfg
          • Size 884B
          • SHA256 b04256b37f7150908947200e3904f99ece5edb7583b63054ca07f25786a8bb7b
          • MD5 SHA1 SHA512 TLSH

          qa5u0kc0.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\qa5u0kc0.newcfg
          • Size 683B
          • SHA256 29a4d788ba7e8ed9d9b584be3734e1808e958dae5553e9efd7335d1537448464
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\user.config
          • Size 884B
          • SHA256 af6c4c2e11ea08037a4aaed212760f5d4b3451de62dc64e6167292afc1a63e35
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\user.config
          • Size 520B
          • SHA256 18978162b3be996204fd93ec4ae8ed378650bbf396d292f2c23eec0cd84645b2
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\user.config
          • Size 884B
          • SHA256 87c27d3a7d24557ba86f52203c52257a39a49d7ec693e66892a001b306d9bc91
          • MD5 SHA1 SHA512 TLSH

          v2cxgaum.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4f9474f1fe441f41)\v2cxgaum.newcfg
          • Size 884B
          • SHA256 5e3398de392f16ad3ac1ba29578fc7b4d760fea21ebd2314749aab3bbbe10132
          • MD5 SHA1 SHA512 TLSH

          memory/468-174-0x0000000003880000-0x0000000003914000-memory.dmp

          memory/468-211-0x0000000003D20000-0x0000000003DB2000-memory.dmp

          memory/468-178-0x0000000003AD0000-0x0000000003C80000-memory.dmp

          memory/468-180-0x0000000003970000-0x00000000039C0000-memory.dmp

          memory/468-168-0x00000000012F0000-0x000000000130A000-memory.dmp

          memory/468-205-0x0000000003A30000-0x0000000003A9C000-memory.dmp

          memory/468-213-0x0000000003920000-0x0000000003961000-memory.dmp

          memory/468-215-0x0000000003F00000-0x0000000003FD6000-memory.dmp

          memory/768-86-0x00000000048A0000-0x00000000048C8000-memory.dmp

          memory/1912-42-0x00000000054D0000-0x00000000054FE000-memory.dmp

          memory/1912-46-0x0000000005500000-0x000000000550C000-memory.dmp

          memory/1912-50-0x0000000005650000-0x00000000056E4000-memory.dmp

          memory/1912-54-0x00000000058A0000-0x0000000005A50000-memory.dmp

          memory/3036-3-0x0000000005650000-0x0000000005660000-memory.dmp

          memory/3036-8-0x0000000005EF0000-0x0000000006494000-memory.dmp

          memory/3036-2-0x0000000005650000-0x0000000005660000-memory.dmp

          memory/3036-7-0x0000000005790000-0x0000000005940000-memory.dmp

          memory/3036-1-0x0000000001780000-0x0000000001788000-memory.dmp

          memory/3036-9-0x0000000005650000-0x0000000005660000-memory.dmp

          memory/3036-6-0x0000000005760000-0x0000000005788000-memory.dmp

          memory/3036-4-0x00000000055D0000-0x00000000055DC000-memory.dmp

          memory/3036-5-0x00000000056D0000-0x0000000005764000-memory.dmp

          memory/3036-0-0x0000000005650000-0x0000000005660000-memory.dmp

          memory/3056-231-0x0000000000EA0000-0x0000000000F4C000-memory.dmp

          memory/3056-236-0x000000001D040000-0x000000001D1C6000-memory.dmp

          memory/3056-235-0x0000000002FB0000-0x0000000002FCA000-memory.dmp

          memory/3056-234-0x000000001C080000-0x000000001C230000-memory.dmp

          memory/3056-233-0x000000001BE30000-0x000000001BEC4000-memory.dmp

          memory/3056-232-0x000000001BA20000-0x000000001BA8C000-memory.dmp